ARCHIVE SITE - Last updated Jan. 19, 2017. Please visit for the latest NACWA information.


Total Maximum Daily Loads


Total Maximum Daily Loads (TMDL) have been used extensively by the U.S. Environmental Protection Agency (EPA) and state environmental agencies in implementing the Clean Water Act by establishing maximum pollution limits for industrial wastewater dischargers. EPA has a history of developing and approving TMDLs containing non-daily load expressions. NACWA has argued to request state water quality authorities and the EPA to address TMDL issues on their receiving waters in a non-daily format with few exceptions.

For more information on NACWA’s legal activities and litigation related toTotal Maximum Daily Load Issues, please visit the Legal Resources key page.




06/20 Clean Water Current   NACWA Comments Highlight Concerns with “Technical” Report on Flow Alteration  
04/25 Clean Water Current   TMDL Symposium Considers Strategies for Action  




11/21 Clean Water Current   Oral Argument Held in Chesapeake Bay TMDL Appeal key

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